Lap tray



FIG. 1 is a front elevational view of a lap tray showing our new design, the rear elevational view is identical thereto;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view, the side opposite is identical thereto; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a lay tray, as shown and described. 